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    SubjectRe: [PATCH 6/7 v6] drm/i915/intel_i2c: reuse GMBUS2 value read in polling loop
    On Thu, 29 Mar 2012 02:26:38 +0800, Daniel Kurtz <> wrote:
    > Save the GMBUS2 value read while polling for state changes, and then
    > reuse this value when determining for which reason the loops were exited.
    > This is a small optimization which saves a couple of bus accesses for
    > memory mapped IO registers.
    > To avoid "assigning in if clause" checkpatch errors", use a ret variable
    > to store the wait_for macro return value.
    > Signed-off-by: Daniel Kurtz <>
    Reviewed-by: Chris Wilson <>

    Chris Wilson, Intel Open Source Technology Centre

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